In this lesson from Bigelow Laboratory, students learn about the basics of food webs and trophic levels. Then they compare more familiar terrestrial food webs with marine food webs, using cards with information about various marine organisms to create their own model of a food web.

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In this unit from the Alaska Seas & Watersheds Curriculum, students investigate marine and intertidal food webs, then collect and observe plankton, and observe food web interactions during a beach field trip. After the field trip, students observe plankton using microscopes and do research to extend their learning about food chains and webs. They construct…

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